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Finding the Fourth Proportional to 297,980,104.20, 446,970,156.30 and 297,980,104.20

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Solution

The fourth proportional to 297,980,104.20, 446,970,156.30 and 297,980,104.20 is: 446,970,156.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,980,104.20 : 446,970,156.30 = 297,980,104.20 : x
  2. Step 2: Convert to fraction form
    297,980,104.20/446,970,156.30 = 297,980,104.20/x
  3. Step 3: Cross multiply
    297,980,104.20x = 446,970,156.30 × 297,980,104.20
  4. Step 4: Simplify right side
    297,980,104.20x = 133,188,213,748,564,288
  5. Step 5: Solve for x
    x = 133,188,213,748,564,288/297,980,104.20
  6. Step 6: Final answer
    x = 446,970,156.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.